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Micromachines
Volume 14
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10.3390/mi14010127
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Article

Two-Dimensional Omnidirectional Wind Energy Harvester with a Cylindrical Piezoelectric Composite Cantilever

by
Mingyong Xin
1,
Xueling Jiang
2,
Changbao Xu
1,
Jing Yang
1,* and
Caijiang Lu
2,*
1
Electric Power Research Institute of Guizhou Power Grid Co., Ltd., Guiyang 550002, China
2
School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, China
*
Authors to whom correspondence should be addressed.
Micromachines 2023, 14(1), 127; https://doi.org/10.3390/mi14010127
Submission received: 21 October 2022 / Revised: 5 December 2022 / Accepted: 7 December 2022 / Published: 3 January 2023
(This article belongs to the Special Issue Piezoelectric Actuators and Sensors: Materials, Devices and Applications)
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Abstract

To improve the response-ability of the energy harvester to multidirectional wind, this paper proposes a wind energy harvester to scavenge wind-induced vibration energy. The harvester comprises a cylindrical beam instead of conventional thin rectangular cantilevers, a bluff body (square prism or circle cylinder), and a piezoelectric tube bonded to the bottom side of the beam for energy conversion. Benefiting from the symmetry of the cylindrical structure, this harvester can respond to airflow from every direction of the two-dimensional plane. The performance of the harvester under a wind speed range of 1.5–8 m/s has been tested. The results demonstrate that the proposed harvester can respond to the wind from all directions of the two-dimensional plane. It provides a direction for the future in-depth study of multidirectional wind energy harvesting.
Keywords: wind energy harvester; two-dimensional; cylindrical beam; piezoelectric tube wind energy harvester; two-dimensional; cylindrical beam; piezoelectric tube

Share and Cite

MDPI and ACS Style

Xin, M.; Jiang, X.; Xu, C.; Yang, J.; Lu, C. Two-Dimensional Omnidirectional Wind Energy Harvester with a Cylindrical Piezoelectric Composite Cantilever. Micromachines 2023, 14, 127. https://doi.org/10.3390/mi14010127

AMA Style

Xin M, Jiang X, Xu C, Yang J, Lu C. Two-Dimensional Omnidirectional Wind Energy Harvester with a Cylindrical Piezoelectric Composite Cantilever. Micromachines. 2023; 14(1):127. https://doi.org/10.3390/mi14010127

Chicago/Turabian Style

Xin, Mingyong, Xueling Jiang, Changbao Xu, Jing Yang, and Caijiang Lu. 2023. "Two-Dimensional Omnidirectional Wind Energy Harvester with a Cylindrical Piezoelectric Composite Cantilever" Micromachines 14, no. 1: 127. https://doi.org/10.3390/mi14010127

APA Style

Xin, M., Jiang, X., Xu, C., Yang, J., & Lu, C. (2023). Two-Dimensional Omnidirectional Wind Energy Harvester with a Cylindrical Piezoelectric Composite Cantilever. Micromachines, 14(1), 127. https://doi.org/10.3390/mi14010127

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